Note 6 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands		6 Months Ended		12 Months Ended
		Jun. 30, 2020		Dec. 31, 2019
Gross Carrying Value		$ 23,060		$ 23,060
Accumulated Amortization		(2,472)		(1,078)
Net Carrying Value		$ 20,588		$ 21,982
Weighted Average [Member]
Weighted Average Useful Life (Year)		7 years 4 months 24 days		8 years 3 months 18 days
Customer Relationships [Member]
Gross Carrying Value		$ 800		$ 800
Accumulated Amortization		(124)		(51)
Net Carrying Value		$ 676		$ 749
Customer Relationships [Member] | Weighted Average [Member]
Weighted Average Useful Life (Year)		4 years 9 months 18 days		5 years 7 months 6 days
Trade Names [Member]
Gross Carrying Value		$ 2,590		$ 2,590
Accumulated Amortization		(289)		(123)
Net Carrying Value		$ 2,301		$ 2,467
Trade Names [Member] | Weighted Average [Member]
Weighted Average Useful Life (Year)		7 years 2 months 12 days		8 years 1 month 6 days
Technology-Based Intangible Assets [Member]
Gross Carrying Value		$ 19,670	[1]	$ 19,020
Accumulated Amortization		(2,059)		(904)
Net Carrying Value		$ 17,611	[1]	$ 18,116
Technology-Based Intangible Assets [Member] | Weighted Average [Member]
Weighted Average Useful Life (Year)		7 years 7 months 6 days		8 years 4 months 24 days
In Process Research and Development [Member]
Gross Carrying Value	[2]			$ 650
Accumulated Amortization				0
Net Carrying Value	[2]			$ 650
In Process Research and Development [Member] | Weighted Average [Member]
Weighted Average Useful Life (Year)				9 years

[1] We transferred $650,000 out of “in-process R&D” into “Technology - acquired” on April 1, 2020, which was the date on which the product line became technologically feasible.

[2] In-process R&D represents the fair value of incomplete research and development that has not yet reached technological feasibility. On April 1, 2020, we began amortizing the asset since it reached technological feasibility (see footnote 1 above).